1 1 DUST/SAND WHIRL 2 2 SQUALLS 3 3 SAND STORM 4 4 DUST STORM 5 5 LIGHTNING - CLOUD TO SURFACE 6 6 LIGHTNING - CLOUD TO CLOUD 7 7 LIGHTNING - DISTANT 8 8 THUNDERSTORM 9 9 FUNNEL CLOUD NOT TOUCHING SURFACE 10 10 FUNNEL CLOUD TOUCHING SURFACE 11 11 SPRAY